amortization Operating highlight in Q1/2018 Q1/17 Q4/17 Q1/18 Change +/(-) (THB million) QoQ YoY Operating revenue 5,366 4,849 5,716 18% 7% Gross profit 1,098 1,315 1,647 25% 50% EBITDA 915 1,137 1,482 30% 62

margin decreased 5% from Q1/2018, because of the growth rate of natural gas price and the rise in finance cost from interest payment and short-term loan financing fee related to the acquisition of GLOW

3,001 6.3% 4,073 7.6% (1,072) -26.3% Profit from operating activities 1,681 3.5% 2,398 4.5% (717) -29.9% Finance costs (771) -1.6% (284) -0.5% (487) 171.4% Share of profit of associates and joint ventures

Thai economy growth (Source: FPO, Ministry of Finance) Overall aviation industry for this quarter affirmed 7.9 percent growth in revenue passenger kilometers (RPK) of all region in which RPK of Asia

expenses 543 500 (9%) Bad and doubtful debts expense 0 10 (100%) Loss on confirmed purchase orders for undelivered raw material 0 41 100% Finance costs 348 475 27% Total expenses 14,621 31,016 53% Profit

OPERATION (Unit : Million Baht) Consolidated Financial Statements 2019 2018 % Change Total Revenue 1,857.2 1,708.3 8.7% - Utilities Business 1,847.1 1,705.1 8.3% - Operating Revenue1 1,734.3 1,679.7 3.3

Quarter 3/2017 % Change Production 1,531,203 1,696,674 10.81% Import 3,242,891 2,843,598 -12.31% Export 329,192 382,456 16.18% Consumption 4,444,902 4,157,817 -6.46% Source : Iron and Steel Institiute of

Steel (Unit : Tons) 2016 2017 % Change Production 7,957,351 6,865,628 -13.72% Import 12,614,629 11,326,134 -10.21% Export 1,294,821 1,553,247 19.96% Consumption 19,277,158 16,638,515 -13.69% Source : Iron

: The production and the domestic demand of Finished Steel in 2016 and 2017 Total Apparent Finished Steel (Unit : Tons) 2016 2017 % Change Production 7,957,351 6,865,628 -13.72% Import 12,614,629

(Unit : Tons) Quarter 1/2018 Quarter 1/2019 % Change Production 1,967,321 1,705,204 -13.32% Import 2,842,507 2,851,271 0.31% Export 436,428 399,792 -8.39% Consumption 4,373,400 4,156,683 -4.96% Source